/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.engine.impl.jobexecutor;


/**
 * @author Joram Barrez
 */
public interface AcquireJobsRunnable extends Runnable {

    /**
     * Called by the job executor when a new job was added by the
     * process engine to which this job executor belongs.
     * This is a hint, that for example the acquiring needs to start again
     * when it would be sleeping.
     */
    void jobWasAdded();

    /**
     * Called when the job executor is shutting down and the job
     * acquiring needs to be shut down too.
     */
    void stop();

}
